<?php
/***************************************************************************
 *                           admin_permissions.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : support@phpbb.com
 *
 *   $Id$
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

if ( !empty($setmodules) )
{
	if ( !$auth->acl_get('a_auth') )
	{
		return;
	}

	$filename = basename(__FILE__);
	$module['Forums']['Permissions']   = $filename . $SID . '&amp;mode=forums';
	$module['Forums']['Moderators']   = $filename . $SID . '&amp;mode=moderators';
	$module['Forums']['Super_Moderators']   = $filename . $SID . '&amp;mode=supermoderators';
	$module['General']['Administrators']   = $filename . $SID . '&amp;mode=administrators';

	return;
}

define('IN_PHPBB', 1);

// Include files
$phpbb_root_path = '../';
require($phpbb_root_path . 'extension.inc');
require('pagestart.' . $phpEx);
require($phpbb_root_path . 'includes/functions_admin.'.$phpEx);

// Do we have forum admin permissions?
if ( !$auth->acl_get('a_auth') )
{
	trigger_error($user->lang['No_admin']);
}

// Define some vars
if ( isset($_GET['f']) || isset($_POST['f']) )
{
	$forum_id = ( isset($_POST['f']) ) ? intval($_POST['f']) : intval($_GET['f']);
	$forum_sql = " WHERE forum_id = $forum_id";
}
else
{
	$forum_id = 0;
	$forum_sql = '';
}

if ( isset($_GET['mode']) || isset($_POST['mode']) )
{
	$mode = ( isset($_POST['mode']) ) ? $_POST['mode'] : $_GET['mode'];
}
else
{
	$mode = '';
}

// Start program proper
switch ( $mode )
{
	case 'forums':
		$l_title = $user->lang['Permissions'];
		$l_title_explain = $user->lang['Permissions_explain'];
		$l_can = '_can';
		break;

	case 'moderators':
		$l_title = $user->lang['Moderators'];
		$l_title_explain = $user->lang['Moderators_explain'];
		$l_can = '_can';
		break;

	case 'supermoderators':
		$l_title = $user->lang['Super_Moderators'];
		$l_title_explain = $user->lang['Super_Moderators_explain'];
		$l_can = '_can';
		break;

	case 'administrators':
		$l_title = $user->lang['Administrators'];
		$l_title_explain = $user->lang['Administrators_explain'];
		$l_can = '_can_admin';
		break;
}

// Call update or delete, both can take multiple user/group
// ids. Additionally inheritance is handled (by the auth API)
if ( isset($_POST['update']) )
{
	$auth_admin = new auth_admin();

	// Admin wants subforums to inherit permissions ... so handle this
	if ( !empty($_POST['inherit']) )
	{
		array_push($_POST['inherit'], $forum_id);
		$forum_id = $_POST['inherit'];
	}

	foreach ( $_POST['entries'] as $id )
	{
		$auth_admin->acl_set($_POST['type'], $forum_id, $id, $_POST['option']);
	}

	trigger_error('Permissions updated successfully');
}
else if ( isset($_POST['delete']) )
{
	$auth_admin = new auth_admin();

	$option_ids = false;
	if ( !empty($_POST['option']) )
	{
		$sql = "SELECT auth_option_id
			FROM " . ACL_OPTIONS_TABLE . "
			WHERE auth_value LIKE '" . $_POST['option'] . "_%'";
		$result = $db->sql_query($sql);

		if ( $row = $db->sql_fetchrow($result) )
		{
			$option_ids = array();
			do
			{
				$option_ids[] = $row['auth_option_id'];
			}
			while( $row = $db->sql_fetchrow($result) );
		}
		$db->sql_freeresult($result);
	}

	foreach ( $_POST['entries'] as $id )
	{
		$auth_admin->acl_delete($_POST['type'], $forum_id, $id, $option_ids);
	}

	trigger_error('Permissions updated successfully');
}

// Get required information, either all forums if no id was
// specified or just the requsted if it was
if ( !empty($forum_id) || $mode == 'administrators' || $mode == 'supermoderators' )
{
	// Clear some vars, grab some info if relevant ...
	$s_hidden_fields = '';

	if ( !empty($forum_id) )
	{
		$sql = "SELECT forum_name
			FROM " . FORUMS_TABLE . "
			WHERE forum_id = $forum_id";
		$result = $db->sql_query($sql);

		$forum_info = $db->sql_fetchrow($result);
		$db->sql_freeresult($result);

		$l_title .= ' : <i>' . $forum_info['forum_name'] . '</i>';
	}

	// Generate header
	page_header($l_title);

?>

<h1><?php echo $l_title; ?></h1>

<?php

	switch ( $mode )
	{
		case 'forums':
			$type_sql = 'f';
			$forum_sql = "AND a.forum_id = $forum_id";
			break;

		case 'moderators':
			$type_sql = 'm';
			$forum_sql = "AND a.forum_id = $forum_id";
			break;

		case 'supermoderators':
			$type_sql = 'm';
			$forum_sql = '';
			break;

		case 'administrators':
			$type_sql = 'a';
			$forum_sql = '';
			break;
	}

	$sql = "SELECT group_id, group_name
		FROM " . GROUPS_TABLE . "
		ORDER BY group_name";
	$result = $db->sql_query($sql);

	$group_list = '';
	while ( $row = $db->sql_fetchrow($result) )
	{
		$group_list .= '<option value="' . $row['group_id'] . '">' . ( ( !empty($user->lang[$row['group_name']]) ) ? $user->lang[$row['group_name']] : $row['group_name'] ) . '</option>';
	}
	$db->sql_freeresult($result);

	if ( empty($_POST['advanced']) || empty($_POST['entries']) )
	{

?>

<p><?php echo $l_title_explain; ?></p>

<table width="100%" cellspacing="0" cellpadding="0" border="0">
	<tr>
		<td align="center"><h1><?php echo $user->lang['Users']; ?></h1></td>
		<td align="center"><h1><?php echo $user->lang['Groups']; ?></h1></td>
	</tr>
	<tr>

		<td><form method="post" action="<?php echo "admin_permissions.$phpEx$SID&amp;mode=$mode"; ?>"><table width="90%" class="bg" cellspacing="1" cellpadding="4" border="0" align="center">
<?php

		$sql = "SELECT DISTINCT u.user_id, u.username
			FROM " . USERS_TABLE . " u, " . ACL_USERS_TABLE . " a, " . ACL_OPTIONS_TABLE . " o
			WHERE o.auth_value LIKE '" . $type_sql . "_%'
				AND a.auth_option_id = o.auth_option_id
				$forum_sql
				AND u.user_id = a.user_id
			ORDER BY u.username, u.user_regdate ASC";
		$result = $db->sql_query($sql);

		$users = '';
		while ( $row = $db->sql_fetchrow($result) )
		{
			$users .= '<option value="' . $row['user_id'] . '">' . $row['username'] . '</option>';
		}
		$db->sql_freeresult($result);

?>
			<tr>
				<th><?php echo $user->lang['Manage_users']; ?></th>
			</tr>
			<tr>
				<td class="row1" align="center"><select style="width:280px" name="entries[]" multiple="multiple" size="5"><?php echo $users; ?></select></td>
			</tr>
			<tr>
				<td class="cat" align="center"><input class="liteoption" type="submit" name="delete" value="<?php echo $user->lang['Remove_selected']; ?>" /> &nbsp; <input class="liteoption" type="submit" name="advanced" value="<?php echo $user->lang['Advanced']; ?>" /><input type="hidden" name="type" value="user" /><input type="hidden" name="f" value="<?php echo $forum_id; ?>" /><input type="hidden" name="option" value="<?php echo $type_sql; ?>" /></td>
			</tr>
		</table></form></td>

		<td align="center"><form method="post" name="admingroups" action="<?php echo "admin_permissions.$phpEx$SID&amp;mode=$mode"; ?>"><table width="90%" class="bg" cellspacing="1" cellpadding="4" border="0" align="center">
<?php

		$sql = "SELECT DISTINCT g.group_id, g.group_name
			FROM " . GROUPS_TABLE . " g, " . ACL_GROUPS_TABLE . " a, " . ACL_OPTIONS_TABLE . " o
			WHERE o.auth_value LIKE '" . $type_sql . "_%'
				$forum_sql
				AND a.auth_option_id = o.auth_option_id
				AND g.group_id = a.group_id
			ORDER BY g.group_name ASC";
		$result = $db->sql_query($sql);

		$groups = '';
		while ( $row = $db->sql_fetchrow($result) )
		{
			$groups .= '<option value="' . $row['group_id'] . '">' . ( ( !empty($user->lang[$row['group_name']]) ) ? $user->lang[$row['group_name']] : $row['group_name'] ) . '</option>';
		}
		$db->sql_freeresult($result);

?>
		<tr>
			<th><?php echo $user->lang['Manage_groups']; ?></th>
		</tr>
		<tr>
			<td class="row1" align="center"><select style="width:280px" name="entries[]" multiple="multiple" size="5"><?php echo $groups; ?></select></td>
		</tr>
		<tr>
			<td class="cat" align="center"><input class="liteoption" type="submit" name="delete" value="<?php echo $user->lang['Remove_selected']; ?>" /> &nbsp; <input class="liteoption" type="submit" name="advanced" value="<?php echo $user->lang['Advanced']; ?>" /><input type="hidden" name="type" value="group" /><input type="hidden" name="f" value="<?php echo $forum_id; ?>" /><input type="hidden" name="option" value="<?php echo $type_sql; ?>" /></td>
		</tr>
	</table></form></td>

	</tr>
	<tr>

		<td><form method="post" action="<?php echo "admin_permissions.$phpEx$SID&amp;mode=$mode"; ?>"><table class="bg" width="90%" cellspacing="1" cellpadding="4" border="0" align="center">
			<tr>
				<th><?php echo $user->lang['Add_users']; ?></th>
			</tr>
			<tr>
				<td class="row1" align="center"><textarea cols="40" rows="4" name="entries"></textarea></td>
			</tr>
			<tr>
				<td class="cat" align="center"> <input type="submit" name="add" value="<?php echo $user->lang['Submit']; ?>" class="mainoption" />&nbsp; <input type="reset" value="<?php echo $user->lang['Reset']; ?>" class="liteoption" />&nbsp; <input type="submit" name="usersubmit" value="<?php echo $user->lang['Find_username']; ?>" class="liteoption" onclick="window.open('<?php echo "../search.$phpEx$SID"; ?>&amp;mode=searchuser&amp;form=2&amp;field=entries', '_phpbbsearch', 'HEIGHT=500,resizable=yes,scrollbars=yes,WIDTH=650');return false;" /><input type="hidden" name="type" value="user" /><input type="hidden" name="advanced" value="1" /><input type="hidden" name="new" value="1" /><input type="hidden" name="f" value="<?php echo $forum_id; ?>" /></td>
			</tr>
		</table></form></td>

		<td><form method="post" action="<?php echo "admin_permissions.$phpEx$SID&amp;mode=$mode"; ?>"><table width="90%" class="bg" cellspacing="1" cellpadding="4" border="0" align="center">
			<tr>
				<th><?php echo $user->lang['Add_groups']; ?></th>
			</tr>
			<tr>
				<td class="row1" align="center"><select name="entries[]" multiple="multiple" size="4"><?php echo $group_list; ?></select></td>
			</tr>
			<tr>
				<td class="cat" align="center"> <input type="submit" name="add" value="<?php echo $user->lang['Submit']; ?>" class="mainoption" />&nbsp; <input type="reset" value="<?php echo $user->lang['Reset']; ?>" class="liteoption" /><input type="hidden" name="type" value="group" /><input type="hidden" name="advanced" value="1" /><input type="hidden" name="new" value="1" /><input type="hidden" name="f" value="<?php echo $forum_id; ?>" /></td>
			</tr>
		</table></form></td>

	</tr>
</table>

<?php

	}
	else
	{

		// Founder only operations ... these operations can
		// only be altered by someone with founder status
		$founder_sql = ( !$userdata['user_founder'] ) ? ' AND founder_only <> 1' : '';

		$sql = "SELECT auth_option_id, auth_value
			FROM " . ACL_OPTIONS_TABLE . "
			WHERE auth_value LIKE '" . $type_sql . "_%'
				AND auth_value <> '" . $type_sql . "_'
				$founder_sql";
		$result = $db->sql_query($sql);

		$auth_options = array();
		while ( $row = $db->sql_fetchrow($result) )
		{
			$auth_options[] = $row;
		}
		$db->sql_freeresult($result);

		if ( $_POST['type'] == 'user' && !empty($_POST['new']) )
		{
			$_POST['entries'] = explode("\n", $_POST['entries']);
		}

		$where_sql = '';
		foreach ( $_POST['entries'] as $value )
		{
			$where_sql .= ( ( $where_sql != '' ) ? ', ' : '' ) . ( ( $_POST['type'] == 'user' && !empty($_POST['new']) ) ? '\'' . $value . '\'' : intval($value) );
		}

		switch ( $_POST['type'] )
		{
			case 'group':
				$l_type = 'Group';

				$sql = ( empty($_POST['new']) ) ? "SELECT g.group_id AS id, g.group_name AS name, o.auth_value, a.auth_allow_deny FROM " . GROUPS_TABLE . " g, " . ACL_GROUPS_TABLE . " a, " . ACL_OPTIONS_TABLE . " o WHERE o.auth_value LIKE '" . $type_sql . "_%' AND a.auth_option_id = o.auth_option_id $forum_sql AND g.group_id = a.group_id AND g.group_id IN ($where_sql) ORDER BY g.group_name ASC" : "SELECT group_id AS id, group_name AS name FROM " . GROUPS_TABLE . " WHERE group_id IN ($where_sql) ORDER BY group_name ASC";
				break;

			case 'user':
				$l_type = 'User';

				$sql = ( empty($_POST['new']) ) ? "SELECT u.user_id AS id, u.username AS name, u.user_founder, o.auth_value, a.auth_allow_deny FROM " . USERS_TABLE . " u, " . ACL_USERS_TABLE . " a, " . ACL_OPTIONS_TABLE . " o WHERE o.auth_value LIKE '" . $type_sql . "_%' AND a.auth_option_id = o.auth_option_id $forum_sql AND u.user_id = a.user_id AND u.user_id IN ($where_sql) ORDER BY u.username, u.user_regdate ASC" : "SELECT user_id AS id, username AS name, user_founder FROM " . USERS_TABLE . " WHERE username IN ($where_sql) ORDER BY username, user_regdate ASC";
				break;
		}

		$result = $db->sql_query($sql);

		$ug = '';;
		$ug_hidden = '';
		$auth = array();
		while ( $row = $db->sql_fetchrow($result) )
		{
			$ug_test = ( !empty($user->lang[$row['name']]) ) ? $user->lang[$row['name']] : $row['name'];
			$ug .= ( !strstr($ug, $ug_test) ) ? $ug_test . "\n" : '';

			$ug_test = '<input type="hidden" name="entries[]" value="' . $row['id'] . '" />';
			$ug_hidden .= ( !strstr($ug_hidden, $ug_test) ) ? $ug_test : '';

			$auth[$row['auth_value']] = ( isset($auth_group[$row['auth_value']]) ) ?  min($auth_group[$row['auth_value']], $row['auth_allow_deny']) : $row['auth_allow_deny'];
		}
		$db->sql_freeresult($result);

?>

<script language="Javascript" type="text/javascript">
<!--

	// NEEDS COMPLETING ... OR SCRAPPING :D
	quick_options = new Array();
	quick_options['basic'] = new Array();
	quick_options['basic']['allow'] = '';
	quick_options['basic']['deny'] = '';
	quick_options['basic']['inherit'] = '';
	quick_options['advanced'] = new Array();

	function marklist(match, status)
	{
		for (i = 0; i < document.acl.length; i++)
		{
			if (document.acl.elements[i].name.indexOf(match) == 0)
				document.acl.elements[i].checked = status;
		}
	}

	function quick_set(option)
	{
		if (option)
		{
			document.acl.set.selectedIndex = 0;
			var expr = new RegExp(/\d+/);
			for (i = 0; i < document.acl.length; i++)
			{
				var elem = document.acl.elements[i];
				if (elem.name.indexOf('option') == 0)
				{
					switch (option)
					{
						case 'all_allow':
							if (elem.value == <?php echo ACL_ALLOW; ?>)
								elem.checked = true;
							break;
						case 'all_deny':
							if (elem.value == <?php echo ACL_DENY; ?>)
								elem.checked = true;
							break;
						case 'all_inherit':
							if (elem.value == <?php echo ACL_INHERIT; ?>)
								elem.checked = true;
							break;
						default:
							option_id = elem.name.match(expr)[0];
							if (quick_options[option]['allow'].indexOf(option_id + ',') != -1 && elem.value == <?php echo ACL_ALLOW; ?>)
								elem.checked = true;
							else if (quick_options[option]['deny'].indexOf(option_id + ',') != -1 && elem.value == <?php echo ACL_DENY; ?>)
								elem.checked = true;
							else if (quick_options[option]['inherit'].indexOf(option_id + ',') != -1 && elem.value == <?php echo ACL_INHERIT; ?>)
								elem.checked = true;
							break;
					}
				}
			}
		}
	}
//-->
</script>

<p><?php echo $user->lang['ACL_explain']; ?></p>

<form method="post" name="acl" action="<?php echo "admin_permissions.$phpEx$SID&amp;mode=$mode"; ?>"><table cellspacing="1" cellpadding="0" border="0" align="center">
	<tr>
		<td align="right">Quick settings: <select name="set" onchange="quick_set(this.options[this.selectedIndex].value);"><option><?php echo '-- ' . $user->lang['Select'] . ' --'; ?></option><option value="all_allow"><?php echo $user->lang['All_Allow']; ?></option><option value="all_deny"><?php echo $user->lang['All_Deny']; ?></option><option value="all_inherit"><?php echo $user->lang['All_Inherit']; ?></option><option value="basic"><?php echo $user->lang['Basic']; ?></option><option value="advanced"><?php echo $user->lang['Advanced']; ?></option></select></td>
	</tr>
	<tr>
		<td><table class="bg" cellspacing="1" cellpadding="4" border="0" align="center">
	<tr>
		<th>&nbsp;<?php echo $user->lang['Option']; ?>&nbsp;</th>
		<th>&nbsp;<?php echo $user->lang['Allow']; ?>&nbsp;</th>
		<th>&nbsp;<?php echo $user->lang['Deny']; ?>&nbsp;</th>
		<th>&nbsp;<?php echo $user->lang['Inherit']; ?>&nbsp;</th>
	</tr>
<?php

		for($i = 0; $i < sizeof($auth_options); $i++)
		{
			$row_class = ( $row_class == 'row1' ) ? 'row2' : 'row1';

			$l_can_cell = ( !empty($user->lang['acl_' . $auth_options[$i]['auth_value']]) ) ? $user->lang['acl_' . $auth_options[$i]['auth_value']] : ucfirst(preg_replace('#.*?_#', '', $auth_options[$i]['auth_value']));

			$allow_type = ( $auth[$auth_options[$i]['auth_value']] == ACL_ALLOW ) ? ' checked="checked"' : '';
			$deny_type = ( $auth[$auth_options[$i]['auth_value']] == ACL_DENY ) ? ' checked="checked"' : '';
			$inherit_type = ( $auth[$auth_options[$i]['auth_value']] == ACL_INHERIT ) ? ' checked="checked"' : '';

?>
	<tr>
		<td class="<?php echo $row_class; ?>"><?php echo $l_can_cell; ?></td>
		<td class="<?php echo $row_class; ?>" align="center"><input type="radio" name="option[<?php echo $auth_options[$i]['auth_value']; ?>]" value="<?php echo ACL_ALLOW; ?>"<?php echo $allow_type; ?> /></td>
		<td class="<?php echo $row_class; ?>" align="center"><input type="radio" name="option[<?php echo $auth_options[$i]['auth_value']; ?>]" value="<?php echo ACL_DENY; ?>"<?php echo $deny_type; ?> /></td>
		<td class="<?php echo $row_class; ?>" align="center"><input type="radio" name="option[<?php echo $auth_options[$i]['auth_value']; ?>]" value="<?php echo ACL_INHERIT; ?>"<?php echo $inherit_type; ?> /></td>
	</tr>
<?php

		}

		if ( $type_sql == 'f' || $type_sql == 'm' )
		{
			$children = get_forum_branch($forum_id, 'children', 'descending', false);

			if ( !empty($children) )
			{
?>
	<tr>
		<th colspan="4"><?php echo $user->lang['Inheritance']; ?></th>
	</tr>
	<tr>
		<td class="row1" colspan="4"><table width="100%" cellspacing="1" cellpadding="0" border="0">
			<tr>
				<td colspan="4" height="16"><span class="gensmall"><?php echo $user->lang['Inheritance_explain']; ?></span></td>
			</tr>
<?php
				foreach ( $children as $row )
				{

?>
			<tr>
				<td><input type="checkbox" name="inherit[]" value="<?php echo $row['forum_id']; ?>" /> <?php echo $row['forum_name']; ?></td>
			</tr>
<?php

				}

?>
			<tr>
				<td height="16" align="center"><a class="gensmall" href="javascript:marklist('inherit', true);"><?php echo $user->lang['Mark_all']; ?></a> :: <a href="javascript:marklist('inherit', false);" class="gensmall"><?php echo $user->lang['Unmark_all']; ?></a></td>
			</tr>
		</table></td>
	</tr>
<?php

			}
		}

?>
	<tr>
		<td class="cat" colspan="4" align="center"><input class="mainoption" type="submit" name="update" value="<?php echo $user->lang['Update']; ?>" />&nbsp;&nbsp;<input class="liteoption" type="submit" name="cancel" value="<?php echo $user->lang['Cancel']; ?>" /><input type="hidden" name="f" value="<?php echo $forum_id; ?>" /><input type="hidden" name="type" value="<?php echo $_POST['type']; ?>" /><?php echo $ug_hidden; ?></td>
	</tr>
</table></td>
	</tr>
</table></form>

<?php

	}

}
else
{

	$select_list = make_forum_select();

	page_header($l_title);

?>

<h1><?php echo $l_title; ?></h1>

<p><?php echo $l_title_explain ?></p>

<form method="post" action="<?php echo "admin_permissions.$phpEx$SID&amp;mode=$mode"; ?>"><table class="bg" cellspacing="1" cellpadding="4" border="0" align="center">
	<tr>
		<th align="center"><?php echo $user->lang['Select_a_Forum']; ?></th>
	</tr>
	<tr>
		<td class="row1" align="center">&nbsp;<select name="f"><?php echo $select_list; ?></select> &nbsp;<input type="submit" value="<?php echo $user->lang['Look_up_Forum']; ?>" class="mainoption" />&nbsp;</td>
	</tr>
</table></form>

<?php

}

page_footer();

?>